APA استشهاد

R P John & Robert, D. C. (1989). Mechanism of Job Stress And Strain. John Wiley.

استشهاد بنمط شيكاغو

R P John و D Caplan Robert. Mechanism of Job Stress And Strain. Chilchester: John Wiley, 1989.

MLA استشهاد

R P John و D Caplan Robert. Mechanism of Job Stress And Strain. John Wiley, 1989.